How old was Jackson Beck in Showdown?

Joan AlexanderJoan Alexander was 27 in Showdown as 'Lois Lane (voice) (uncredited)'.

Birthday: Fri, Apr 16 1915 –
Thu, May 21 2009

Jackson BeckJackson Beck was 30 in Showdown as 'Boss (voice) (uncredited)'.

Birthday: Tue, Jul 23 1912 –
Wed, Jul 28 2004

Bud CollyerBud Collyer was 34 in Showdown as 'Superman / Clark Kent (voice) (uncredited)'.

Birthday: Thu, Jun 18 1908 –
Mon, Sep 08 1969

Jack MercerJack Mercer was 32 in Showdown as 'Office Boy / Fake Superman (voice) (uncredited)'.

Birthday: Mon, Jan 31 1910 –
Fri, Dec 07 1984

Julian NoaJulian Noa was >> in Showdown as 'Narrator (voice) (uncredited)'.

Birthday: Unknown Birthday

Izzy SparberIzzy Sparber was 36 in Showdown as 'Director'

Birthday: Wed, Mar 07 1906 –
Fri, Aug 29 1958

Sammy TimbergSammy Timberg was 39 in Showdown as 'Music'

Birthday: Thu, May 21 1903 –
Wed, Aug 26 1992

Joe ShusterJoe Shuster was 28 in Showdown as 'Characters'

Birthday: Fri, Jul 10 1914 –
Thu, Jul 30 1992

Jerry SiegelJerry Siegel was 28 in Showdown as 'Characters'

Birthday: Fri, Oct 16 1914 –
Sun, Jan 28 1996

Jay MortonJay Morton was >> in Showdown as 'Story'

Birthday: Unknown Birthday

Steve MuffatiSteve Muffati was 62 in Showdown as 'Animation'

Birthday: Mon, Oct 04 1880 –
Mon, Jan 01 1968

Graham PlaceGraham Place was 38 in Showdown as 'Animation'

Birthday: Tue, Dec 08 1903 –
Mon, Sep 07 1981